Thank you for this absolute nonsense of a reply. 

Many users are getting the same error and I can see you have replied this same exact message. 

The screen shots are posted below. 

also This link shows clearly you techs engineers haven't fixed the problem.  This has been ongoing for many months why is quick books so slow when other xero are so quick???

https://quickbooks.intuit.com/learn-support/en-uk/banking/how-to-connect-american-express-uk-credit-...

I await a response. 

The incognito and cookie cahe removal doesn't work.